Physical activity and modulation of systemic low-level inflammation
Abstract
It has been recognized for some time that cardiovascular disease and type 2 diabetes are, to a major extent, inflammatory disorders associated with an environment characterized by a sedentary lifestyle together with abundant intakes of calories. Systemic low-level inflammation is suggested to be a cause as well as consequence of pathological processes with local tumor necrosis factor α production as an important biological driver. It is hypothesized that physical inactivity contributes to an enhanced proinflammatory burden independently of obesity, as regular muscle contractions mediate signals with myokines/cytokines as important messengers, which suppress proinflammatory activity at distant sites as well as within skeletal muscle. Muscle-derived interleukin (IL)-6 is considered to possess a central role in anti-inflammatory activities and health beneficial effects in relation to physical exercise. It is discussed how this fits the consistent observation that enhanced plasma levels of IL-6 represent a strong risk marker in chronic disorders associated with systemic low-level inflammation and all-cause mortality.
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Altering any health behaviors leads to a reduction in the risk factors for preventable non-communicable diseases.
“Even if it is well understood that altering any health behaviors leads to a reduction in the risk factors for preventable non-communicable diseases [18,20,26-33].”
Improvements from altering health behaviors appear to stem from endocrinological changes that occur with overfatness and following exposure to exercise.
“Where these improvements appear to stem from a number of endocrinological changes that occur with both expression of overfatness and following exposure to exercise that ultimately alters the health status for the individual who is overfat [18,19,26,28,30,32-34].”
Low utilization of healthy behaviors elicits changes that increase risk for metabolic issues, which may culminate in Type 2 Diabetes Mellitus, and are associated with reduced work capacity and anabolic hormone response in overfat individuals.
“With low utilization of healthy behaviors eliciting changes indicated to increase the risk for the development of metabolic issues, which may culminate in Type 2 Diabetes Mellitus (T2DM), and are readily associated with reduced work capacity and anabolic hormone response for the individual who is overfat [18,26,27].”
Changes in humoral factors are necessary for improvement in health status.
“The changes elicited in humoral factors (e.g., hormone/cytokines, blood lipids and biomarkers of inflammation) are necessary for improvement in health status that many have previously discussed in a number of reviews on this topic [18-21,26,31,32,34,42].”
Any treatment produces effective change toward normal healthy range, leading to reduced CVD risk and improved health.
“any treatment is able to produce an effective change that leads toward a normal “healthy” range, thus leading to a reduced risk for development of cardiovascular disease and improvements in work capacity and overall health”
Chronic low-grade systemic inflammation is characterized by a 2- to 3-fold elevation in systemic concentrations of proinflammatory and anti-inflammatory cytokines, natural occurring cytokine antagonists, and C-reactive protein.
“Chronic low-grade systemic inflammation has been characterized by a 2- to 3-fold elevation in the systemic concentrations of proinflammatory and anti-inflammatory cytokines, natural occurring cytokine antagonists, and the acute phase reactant C-reactive protein (CRP) [13, 22].”
From Exercise as a Mean to Control Low‐Grade Systemic Inflammation (2008) · cites this paper as [22]
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References 238 · Cited by 429
- Authors
- Bruunsgaard, H.
- Affiliations
- Centre of Inflammation and Metabolism, Department of Infectious Diseases, Copenhagen Muscle Research Centre, Rigshospitalet, University Hospital of Copenhagen, Faculty of Health Sciences, University of Copenhagen , Denmark
- Venue
- Journal of Leukocyte Biology
- Publisher
- Oxford University Press (OUP)
- Published
- 2005-07-20
- Volume
- 78
- Issue
- 4
- Pages
- 819-835
- ISSN
- 0741-5400 (ISSN-L)
- 1938-3673
- OpenAlex
- W2128203138
- Semantic Scholar
- c59bfc35b2b00c15e4b9fb2c5b4d578fa66767e7
- Cited by
- 429
- References
- 238
- Citations by year
- 2026: 4 · 2025: 13 · 2024: 4 · 2023: 12 · 2022: 20 · 2021: 15 · 2020: 17 · 2019: 18 · 2018: 23 · 2017: 16 · 2016: 23 · 2015: 31 · 2014: 30 · 2013: 21 · 2012: 36
- FWCI
- 2.99
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Journal of Leukocyte Biology (publishedVersion)
- PubMed (publishedVersion)
- Funders
- Danish Medical Research Council (22-02-0261)
- Danish National Research Foundation
- Center of Inflammation and Metabolism (02-512-55)
- Advancement of Medical Science
- Topics
- Health Sciences › Medicine › Rehabilitation › Exercise and Physiological Responses
- Health Sciences › Medicine › Epidemiology › Adipokines, Inflammation, and Metabolic Diseases
- Health Sciences › Medicine › Physiology › Physical Activity and Health
- Keywords
- physical activity, myokines, interleukin-6, skeletal muscle, TNF-α, cytokines, sedentary lifestyle, cardiovascular disease, type 2 diabetes, obesity, mortality risk markers
- MeSH terms
- Female, Humans, Inflammation, Male, Motor Activity, Tumor Necrosis Factor-alpha, Exercise, Interleukin-6
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